CN100560935C - A kind of oil reservoir fire-flooding thermal-ignition method - Google Patents
A kind of oil reservoir fire-flooding thermal-ignition method Download PDFInfo
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- CN100560935C CN100560935C CNB2006101349655A CN200610134965A CN100560935C CN 100560935 C CN100560935 C CN 100560935C CN B2006101349655 A CNB2006101349655 A CN B2006101349655A CN 200610134965 A CN200610134965 A CN 200610134965A CN 100560935 C CN100560935 C CN 100560935C
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Abstract
A kind of a kind of oil reservoir fire-flooding thermal-ignition method of oilfield fire flood oil reservoir igniting usefulness, employing activity skid-mounted type gas-vapour generator the complete sets of equipment, with high temperature, high-pressure combustion technology, diesel combustion is produced nitrogen, carbon dioxide and water vapor mixture body and a large amount of heat energy; At gas-when vapour generator internal combustion temperature reaches 1800 ℃, the mist water mixing is cooled to 300～400 ℃, pressure injects to oil reservoir by well mouth of oil well device and injection string less than 25MPa; Inject 3-10 * 10
4Nm
3, 300～400 ℃ mist, the preheating oil reservoir injects air more continuously in well, make crude oil and air generation oxidation in oil reservoir, heat release reaches self-ignition point, burns the purpose of the realization combustion in situ displacement of reservoir oil.This method has solved the too high easy burn-out heater of the heating-up temperature that exists in the prior art; The problem that the chemical method ignition success rate is low.The present invention can be widely used in the igniting of oilfield fire flood oil reservoir.
Description
Technical field:
The present invention relates to a kind of a kind of oil reservoir fire-flooding thermal-ignition method of oilfield fire flood oil reservoir igniting usefulness.
Background technology:
Fire flood at present is one of displacement mode in the oil exploitation of oil field, utilizes in the oil reservoir crude oil to do fuel exactly and burns with the air that injects oil reservoir, produces heat, improves strata pressure, and formation crude oil is replaced to the shaft bottom.Fire flood oil reservoir ignition method has electric heater method, combustion adjuvant chemical method and steam injection in the prior art.The electric heater method is to utilize cable that heater is sent into the air that heating is injected in the oil well, the air that this method exists injection can not fully contact with heater, it is uneven often to produce the air heat absorption, causes the too high phenomenon that burns out electric heater of electric heater temperature sometimes; The combustion adjuvant chemical method carries out combustion-supporting to air, though succeed, for heavy crude reservoir, ignition success rate is very low; The steam injection methods of printing is to the steam 300m of oil reservoir injection more than 350 ℃ by oil well steam injection tubing string
3, in well, injecting air, make oil reservoir reach self-ignition point and burn, but the oil field of inapplicable no steam injection condition.
Summary of the invention:
The object of the invention is to provide a kind of oil reservoir fire-flooding thermal-ignition method, and this method has solved the too high easy burn-out electric heater of the heating-up temperature that exists in the prior art, the very low problem of combustion adjuvant chemical method ignition success rate.
The technical solution adopted for the present invention to solve the technical problems is: the high-temperature gas mixture body that adopts gas-vapour generator to produce carries out the preheating igniting displacement of reservoir oil by the oil well injection string to oil reservoir.Oil reservoir heating substation ignition method involved in the present invention: employing activity skid-mounted type gas-vapour generator the complete sets of equipment at first with high temperature, high-pressure combustion technology, produce nitrogen, carbon dioxide and water vapor mixture body and a large amount of heat energy with diesel combustion; At gas-when vapour generator internal combustion temperature reaches 1800 ℃, the mist water mixing is cooled to 300～400 ℃, pressure injects to oil reservoir by well mouth of oil well device and injection string less than 25MPa; Inject 3～10 * 10
4Nm
3, 300～400 ℃ mist, the preheating oil reservoir injects air more continuously in well, make crude oil and air generation oxidation in oil reservoir, heat release reaches self-ignition point, burns the purpose of the realization combustion in situ displacement of reservoir oil.Oil reservoir fire-flooding thermal-ignition method is applicable to the well spacing method that the well pattern in existing oil field adopts, and a well injects many wells and recovers the oil; High-temperature gas mixture body implantation temperature is 300～400 ℃ during this method igniting, and injection pressure is less than 25MPa.
The specific embodiment:
Embodiment 1:
Oil reservoir fire-flooding thermal-ignition method is employing activity skid-mounted type gas-vapour generator the complete sets of equipment, with high temperature, high-pressure combustion technology, diesel combustion is produced nitrogen, carbon dioxide and water vapor mixture body and a large amount of heat energy; At gas-when vapour generator internal combustion temperature reaches 1800 ℃, the mist water mixing is cooled to 300～400 ℃, pressure injects to oil reservoir by well mouth of oil well device and injection string less than 25MPa; Inject 3～10 * 10
4Nm
3, 300～400 ℃ mist, the preheating oil reservoir injects air more continuously in well, make crude oil and air generation oxidation in oil reservoir, heat release reaches self-ignition point, burns the purpose of the realization combustion in situ displacement of reservoir oil.
Embodiment 2:
Oil reservoir fire-flooding thermal-ignition method is applicable to the well spacing method that the well pattern in existing oil field adopts, and a well injects many wells and recovers the oil; Movable skid-mounted type gas-vapour generator the complete sets of equipment that this method adopted: output gas ability 1～3t/h, 300～400 ℃ of temperature, pressure is less than 25MPa; After oil reservoir is implemented igniting, can carry out detection to the microseism of air in the stratum and crude oil effect generation with this method, can judge the combustion range and the burning fingering direction on stratum by the injection gas front monitor of ground employing.
Claims (2)
1, a kind of oil reservoir fire-flooding thermal-ignition method, employing activity skid-mounted type gas-vapour generator device is lighted a fire, the injection gas front monitor carries out ground monitoring, it is characterized in that: employing activity skid-mounted type gas-vapour generator the complete sets of equipment, with high temperature, high-pressure combustion technology, diesel combustion is produced nitrogen, carbon dioxide and water vapor mixture body and a large amount of heat energy; At gas-when vapour generator internal combustion temperature reaches 1800 ℃, the mist water mixing is cooled to 300～400 ℃, pressure injects to oil reservoir by well mouth of oil well device and injection string less than 25MPa; Inject 3～10 * 10
4Nm
3, 300～400 ℃ mist, the preheating oil reservoir injects air more continuously in well, make crude oil and air generation oxidation in oil reservoir, heat release reaches self-ignition point, burns the purpose of the realization combustion in situ displacement of reservoir oil.
2, a kind of oil reservoir fire-flooding thermal-ignition method according to claim 1 is characterized in that: oil reservoir fire-flooding thermal-ignition method is applicable to the well spacing method that the well pattern in existing oil field adopts, and a well injects many wells and recovers the oil; Movable skid-mounted type gas-vapour generator the complete sets of equipment that this method adopted: output gas ability 1～3t/h, 300～400 ℃ of temperature, pressure is less than 25MPa; After oil reservoir is implemented igniting, can carry out detection to the microseism of air in the stratum and crude oil effect generation with this method, can judge the combustion range and the burning fingering direction on stratum by the injection gas front monitor of ground employing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101349655A CN100560935C (en) | 2006-12-18 | 2006-12-18 | A kind of oil reservoir fire-flooding thermal-ignition method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101349655A CN100560935C (en) | 2006-12-18 | 2006-12-18 | A kind of oil reservoir fire-flooding thermal-ignition method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1995697A CN1995697A (en) | 2007-07-11 |
| CN100560935C true CN100560935C (en) | 2009-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2006101349655A Expired - Fee Related CN100560935C (en) | 2006-12-18 | 2006-12-18 | A kind of oil reservoir fire-flooding thermal-ignition method |
Country Status (1)
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| CN (1) | CN100560935C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101864938B (en) * | 2010-03-23 | 2014-04-09 | 邓惠荣 | Underground ignition technology of combustion drive oil layer by injecting steam |
| RU2524580C1 (en) * | 2013-10-31 | 2014-07-27 | Открытое акционерное общество "Татнефть" им. В.Д. Шашина | Development of oil deposit by heat and water-gas impacts in vertical, horizontal and multihole wells system |
| CN113294133B (en) * | 2020-08-19 | 2023-05-26 | 中国石油天然气股份有限公司 | Method and system for determining fire flooding front edge in fire flooding well pattern |
Citations (9)
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|---|---|---|---|---|
| CA1214989A (en) * | 1983-07-25 | 1986-12-09 | Billy G. Holmes | Steam ignition and control of an oxygen-driven fire flood injection well |
| US6328104B1 (en) * | 1998-06-24 | 2001-12-11 | World Energy Systems Incorporated | Upgrading and recovery of heavy crude oils and natural bitumens by in situ hydrovisbreaking |
| US6357526B1 (en) * | 2000-03-16 | 2002-03-19 | Kellogg Brown & Root, Inc. | Field upgrading of heavy oil and bitumen |
| CN2550501Y (en) * | 2002-06-13 | 2003-05-14 | 杨正文 | Mixed gas injection device for petroleum thermal recovery |
| RU2223398C1 (en) * | 2002-05-07 | 2004-02-10 | ОАО "Всероссийский нефтегазовый научно-исследовательский институт" им. акад. А.П. Крылова | Process of recovery of viscous oil or bitumen from formation |
| CN1483919A (en) * | 2002-09-20 | 2004-03-24 | 吴锦标 | Mixed gas injection thermal recovery technology |
| WO2005007776A1 (en) * | 2003-07-16 | 2005-01-27 | Statoil Asa | Method for production and upgrading of oil |
| CN1789659A (en) * | 2005-12-21 | 2006-06-21 | 尤尼斯油气技术（中国）有限公司 | Fire flooding process for thick oil extraction |
| CN1804366A (en) * | 2005-12-23 | 2006-07-19 | 江苏大江石油科技有限公司 | High-temperature high-pressure combustion system of sub-critical composite heat carrier generator |
-
2006
- 2006-12-18 CN CNB2006101349655A patent/CN100560935C/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1214989A (en) * | 1983-07-25 | 1986-12-09 | Billy G. Holmes | Steam ignition and control of an oxygen-driven fire flood injection well |
| US6328104B1 (en) * | 1998-06-24 | 2001-12-11 | World Energy Systems Incorporated | Upgrading and recovery of heavy crude oils and natural bitumens by in situ hydrovisbreaking |
| US6357526B1 (en) * | 2000-03-16 | 2002-03-19 | Kellogg Brown & Root, Inc. | Field upgrading of heavy oil and bitumen |
| RU2223398C1 (en) * | 2002-05-07 | 2004-02-10 | ОАО "Всероссийский нефтегазовый научно-исследовательский институт" им. акад. А.П. Крылова | Process of recovery of viscous oil or bitumen from formation |
| CN2550501Y (en) * | 2002-06-13 | 2003-05-14 | 杨正文 | Mixed gas injection device for petroleum thermal recovery |
| CN1483919A (en) * | 2002-09-20 | 2004-03-24 | 吴锦标 | Mixed gas injection thermal recovery technology |
| WO2005007776A1 (en) * | 2003-07-16 | 2005-01-27 | Statoil Asa | Method for production and upgrading of oil |
| CN1789659A (en) * | 2005-12-21 | 2006-06-21 | 尤尼斯油气技术（中国）有限公司 | Fire flooding process for thick oil extraction |
| CN1804366A (en) * | 2005-12-23 | 2006-07-19 | 江苏大江石油科技有限公司 | High-temperature high-pressure combustion system of sub-critical composite heat carrier generator |
Non-Patent Citations (4)
| Title |
|---|
| 乐安油田注汽后火烧油层开发参数敏感性研究. 杜殿发，姚军，邱国清，李迎春.石油大学学报（自然科学版），第27卷第2期. 2003 |
| 乐安油田注汽后火烧油层开发参数敏感性研究. 杜殿发，姚军，邱国清，李迎春.石油大学学报（自然科学版），第27卷第2期. 2003 * |
| 油田用汽气发生器的研究与评价. 马耀忠，许建华，周洪娟，刘昕.石油矿场机械，第26卷第6期. 1997 |
| 油田用汽气发生器的研究与评价. 马耀忠，许建华，周洪娟，刘昕.石油矿场机械，第26卷第6期. 1997 * |
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| CN1995697A (en) | 2007-07-11 |
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